INHABITING NORTH AMERICA. 



Head blackish-blue, obsoletcly punctured ; beneath jjurplc- 

 black ; antennw fuscous; two basal joints ruibus-obscure ; 

 mouth black ; mandibles rufous beneatli. 



Trunk rufous, impunctured ; beneath somewhat paler. 



Thorax with an impressed line, and obsolete transverse 



rugfe. 

 Elytra green polished, with punctured striae ; deflected edge 



purplish. 

 Feet rufous; tips of the thighs, and base of the tibia black; 



penultimate tarsal joints bilobated. 

 Venter obscure blueish black. 

 Found by Mr. Nuttall on the Missouri. 



3. C. *viridipenms. — Elytra green, polished, margined with 

 C'jpreous. 



farabus prasinus. Mehh. Catalogue. 



Inhabits Pennsylvania ; rare. 



Bodii destitute of hairs. 



Head purple-l»lack ; vertex glabrous ; front impressed eacli 

 side near the anlennse ; antennvc testaceous, rather darker 

 towards the tip. 



Thorax green tinged with purple; a longitudinal impressed 

 line, and transverse, minute, parallel rugse ; posterior an- 

 gles aiigulatcd ; beneath purple-black, green each side. 



Feet purplc-l)lack, paler towards the tips; penultimate tarsal 

 joint bilol)ate. 



Scutel testaceous, 



Eltjtra striate, green, polished, reflecting in some lights a 

 slight purpurcscent tinge ; outer margin cupreous : stii:e 

 distinct, acute, distant, tlie marginal one with distant 

 punctures from the humerus to the ape.\. 



Venter blackish. 



Length half an inch. 



This was sent to me !)y Dr. J. F. Melsheimer : I have not 

 ibund a specimen, and tlicrefore iiavc considered it as a rare 



n 



